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Air-side performance of a wavy-finned-tube direct expansion cooling and dehumidifying air coil.

Author(s) : HUZAYYIN A. S., NADA S. A., ELATTAR H. F.

Type of article: Article, IJR article

Summary

Airside heat and mass transfer and fluid flow characteristics of a wavy-finned-tube direct expansion air coil under cooling and dehumidifying condition have been experimentally investigated. Experiments were carried out to study the effects of operating conditions such as: air temperature, air relative humidity, air face velocity, and evaporator pressure on the airside performance (cooling capacity, dehumidification capacity, pressure drop, and heat transfer coefficient) of the coil. Charts for coil wet conditions, partially wet or totally wet, were conducted to identify the coil wet conditions in terms of the operating conditions. Two techniques, enthalpy potential method and equivalent dry-bulb temperature method, were used to analyze the data and to deduce correlations for Colburn factors for the different coil wet conditions. Comparison between the correlations predictions of the two techniques was presented.

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Pages: 230-244

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Details

  • Original title: Air-side performance of a wavy-finned-tube direct expansion cooling and dehumidifying air coil.
  • Record ID : 2007-0330
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 2
  • Publication date: 2007/03

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